Paper/patches/server/0437-Fix-some-rails-connecting-improperly.patch
Jake Potrebic de04cbced5
Updated Upstream (Bukkit/CraftBukkit) (#10034)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
f29cb801 Separate checkstyle-suppressions file is not required
86f99bbe SPIGOT-7540, PR-946: Add ServerTickManager API
d4119585 SPIGOT-6903, PR-945: Add BlockData#getMapColor
b7a2ed41 SPIGOT-7530, PR-947: Add Player#removeResourcePack
9dd56255 SPIGOT-7527, PR-944: Add WindCharge#explode()
994a6163 Attempt upgrade of resolver libraries

CraftBukkit Changes:
b3b43a6ad Add Checkstyle check for unused imports
13fb3358e SPIGOT-7544: Scoreboard#getEntries() doesn't get entries but class names
3dda99c06 SPIGOT-7540, PR-1312: Add ServerTickManager API
2ab4508c0 SPIGOT-6903, PR-1311: Add BlockData#getMapColor
1dbdbbed4 PR-1238: Remove unnecessary sign ticking
659728d2a MC-264285, SPIGOT-7439, PR-1237: Fix unbreakable flint and steel is completely consumed while igniting creeper
e37e29ce0 Increase outdated build delay
c00438b39 SPIGOT-7530, PR-1313: Add Player#removeResourcePack
492dd80ce SPIGOT-7527, PR-1310: Add WindCharge#explode()
e11fbb9d7 Upgrade MySQL driver
9f3a0bd2a Attempt upgrade of resolver libraries
60d16d7ca PR-1306: Centralize Bukkit and Minecraft entity conversion

Spigot Changes:
06d602e7 Rebuild patches
2023-12-16 18:09:28 -08:00

85 lines
4.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Fri, 24 Jul 2020 15:56:05 -0700
Subject: [PATCH] Fix some rails connecting improperly
diff --git a/src/main/java/net/minecraft/world/level/block/BaseRailBlock.java b/src/main/java/net/minecraft/world/level/block/BaseRailBlock.java
index d8dd9f26fe4344541d0544e35bbc66c5d567a80b..dcf49e21208c78b471e6c38cdb0746a0c88fe5a7 100644
--- a/src/main/java/net/minecraft/world/level/block/BaseRailBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/BaseRailBlock.java
@@ -68,6 +68,7 @@ public abstract class BaseRailBlock extends Block implements SimpleWaterloggedBl
state = this.updateDir(world, pos, state, true);
if (this.isStraight) {
world.neighborChanged(state, pos, this, pos, notify);
+ state = world.getBlockState(pos); // Paper - don't desync, update again
}
return state;
diff --git a/src/main/java/net/minecraft/world/level/block/DetectorRailBlock.java b/src/main/java/net/minecraft/world/level/block/DetectorRailBlock.java
index 41452abc7b761858ff2f3ff6a833b09c16fded4f..8eff69cb70ba094f9dcc0849f0436d4a3498fceb 100644
--- a/src/main/java/net/minecraft/world/level/block/DetectorRailBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DetectorRailBlock.java
@@ -77,6 +77,7 @@ public class DetectorRailBlock extends BaseRailBlock {
private void checkPressed(Level world, BlockPos pos, BlockState state) {
if (this.canSurvive(state, world, pos)) {
+ if (state.getBlock() != this) { return; } // Paper - not our block, don't do anything
boolean flag = (Boolean) state.getValue(DetectorRailBlock.POWERED);
boolean flag1 = false;
List<AbstractMinecart> list = this.getInteractingMinecartOfType(world, pos, AbstractMinecart.class, (entity) -> {
diff --git a/src/main/java/net/minecraft/world/level/block/RailState.java b/src/main/java/net/minecraft/world/level/block/RailState.java
index 0cbfad97371b59de95963a09aa16f3dad7a37222..d873625c1b8439a727d39ce207b5e84a1d86e5eb 100644
--- a/src/main/java/net/minecraft/world/level/block/RailState.java
+++ b/src/main/java/net/minecraft/world/level/block/RailState.java
@@ -17,6 +17,12 @@ public class RailState {
private final boolean isStraight;
private final List<BlockPos> connections = Lists.newArrayList();
+ // Paper start - prevent desync
+ public boolean isValid() {
+ return this.level.getBlockState(this.pos).getBlock() == this.state.getBlock();
+ }
+ // Paper end - prevent desync
+
public RailState(Level world, BlockPos pos, BlockState state) {
this.level = world;
this.pos = pos;
@@ -143,6 +149,11 @@ public class RailState {
}
private void connectTo(RailState placementHelper) {
+ // Paper start - prevent desync
+ if (!this.isValid() || !placementHelper.isValid()) {
+ return;
+ }
+ // Paper end - prevent desync
this.connections.add(placementHelper.pos);
BlockPos blockPos = this.pos.north();
BlockPos blockPos2 = this.pos.south();
@@ -333,10 +344,15 @@ public class RailState {
this.state = this.state.setValue(this.block.getShapeProperty(), railShape2);
if (forceUpdate || this.level.getBlockState(this.pos) != this.state) {
this.level.setBlock(this.pos, this.state, 3);
+ // Paper start - prevent desync
+ if (!this.isValid()) {
+ return this;
+ }
+ // Paper end - prevent desync
for(int i = 0; i < this.connections.size(); ++i) {
RailState railState = this.getRail(this.connections.get(i));
- if (railState != null) {
+ if (railState != null && railState.isValid()) { // Paper - prevent desync
railState.removeSoftConnections();
if (railState.canConnectTo(this)) {
railState.connectTo(this);
@@ -349,6 +365,6 @@ public class RailState {
}
public BlockState getState() {
- return this.state;
+ return this.level.getBlockState(this.pos); // Paper - prevent desync
}
}